80712256 has 21 divisors (see below), whose sum is σ = 160306131. Its totient is φ = 40320192.

The previous prime is 80712253. The next prime is 80712259. The reversal of 80712256 is 65221708.

The square root of 80712256 is 8984.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (80712253) and next prime (80712259).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80712253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 71311 + ... + 72433.

Almost surely, 2^80712256 is an apocalyptic number.

80712256 is the 8984-th square number.

It is an amenable number.

80712256 is a deficient number, since it is larger than the sum of its proper divisors (79593875).

80712256 is an frugal number, since it uses more digits than its factorization.

80712256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The cubic root of 80712256 is about 432.1619191841.

It can be divided in two parts, 80 and 712256, that added together give a square (712336 = 844²).

The spelling of 80712256 in words is "eighty million, seven hundred twelve thousand, two hundred fifty-six".